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US 12,747,418 B2Granted
Treatment composition with delivery particles made from redox-initiator-treated chitosan
AssigneeThe Procter & Gamble Company
InventorsSusana Fernandez Prieto, Ariel Lebron, Cédric Marc Tahon, Mattia Collu, Johan Smets, Linsheng Feng, Travis Ian Bardsley, Sonia Marcela Malagon Gomez, Meagan Marie Kochel
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Abstract
A treatment composition that includes a treatment adjunct and a population of core/shell delivery particles, where the shell is made, at least in part, of chitosan treated with a redox initiator. Related methods of making and using such compositions.
Claims20
A treatment composition comprising a treatment adjunct and a population of delivery particles,
- wherein the delivery particles comprise a core and shell surrounding the core,
- wherein the core comprises a benefit agent,
- wherein the shell comprises a polymeric material that is the reaction product of a modified chitosan and a cross-linking agent, wherein the shell is substantially free of acrylate,
- wherein the modified chitosan is formed by treating chitosan with a redox initiator,
- wherein the redox initiator is selected from the group consisting of a persulfate, a peroxide, and a combination thereof.
2 more elements
Dependencies are inferred from the claim text.